RFFilter锛屽叏绋辩偤Real Frequency Filter锛屽張绋辩偤瀵�(sh铆)闋荤巼婵炬尝鍣�锛屾槸涓�绋�鍩轰簬瀵�(sh铆)鏁�(sh霉)鍩熶笂鐨勯牷鐜囧垎鏋愬拰婵炬尝鎶�琛�(sh霉)鐨勬烤娉㈠櫒銆傚畠閫氶亷灏�(du矛)淇¤櫉(h脿o)閫�(j矛n)琛屽倕閲岃憠璁婃彌锛屽皣淇¤櫉(h脿o)寰炴檪(sh铆)鍩熻綁(zhu菐n)鎻涘埌闋诲煙锛岀劧鍚庢牴鎿�(j霉)闇�瑕佸皪(du矛)闋诲煙淇¤櫉(h脿o)閫�(j矛n)琛屾烤娉㈡搷浣�锛屾渶鍚庡啀閫氶亷鍌呴噷钁夐�嗚畩鎻涘皣淇¤櫉(h脿o)寰為牷鍩熻綁(zhu菐n)鎻涘洖鏅�(sh铆)鍩�銆�

    RFFilter鐨勫師鐞嗘槸鍩轰簬闋诲煙鍒嗘瀽鍜屾烤娉㈠櫒瑷�(sh猫)瑷�(j矛)銆傚畠鍒╃敤淇¤櫉(h脿o)鐨勯牷璀滅壒鎬т締瀵�(sh铆)鐝�(xi脿n)灏�(du矛)淇¤櫉(h脿o)鐨勬烤娉㈡搷浣�銆傚叾涓昏�佹�ラ�熷寘鎷�锛�
    姝ラ��1锛氬倕閲岃憠璁婃彌
    灏囪几鍏ヤ俊铏�(h脿o)寰炴檪(sh铆)鍩熻綁(zhu菐n)鎻涘埌闋诲煙銆傞�欏彲浠ラ�氶亷浣跨敤蹇�閫熷倕閲岃憠璁婃彌锛團FT锛夌畻娉曚締楂樻晥鍦拌▓(j矛)绠楅洟鏁ｅ倕閲岃憠璁婃彌锛圖FT锛変締瀹屾垚銆�
    姝ラ��2锛氶牷鍩�?y脿n)V娉㈠櫒瑷�(sh猫)瑷�(j矛)
    鍦ㄩ牷鍩熶腑锛屾牴鎿�(j霉)闇�瑕佽ō(sh猫)瑷�(j矛)涓�鍊�(g猫)婵炬尝鍣ㄤ締鏀硅畩淇¤櫉(h脿o)鐨勯牷璀滅壒鎬�銆傚父瑕嬬殑婵炬尝鍣ㄩ�炲瀷鏈変綆閫氭烤娉㈠櫒銆侀珮閫氭烤娉㈠櫒銆佸付閫氭烤娉㈠櫒鍜屽付闃绘烤娉㈠櫒绛夈�傛牴鎿�(j霉)鍏烽珨鎳�(y墨ng)鐢ㄩ渶姹�锛岄伕鎿囬仼鐣�(d膩ng)?sh霉)鑷慥娉㈠櫒椤炲瀷鍜屽弮鏁�(sh霉)閫�(j矛n)琛岃ō(sh猫)瑷�(j矛)銆�
    姝ラ��3锛氬倕閲岃憠閫嗚畩鎻�
    灏囩稉(j墨ng)閬庨牷鍩�?y脿n)V娉㈠櫒铏曠悊鍚庣殑淇¤櫉(h脿o)寰為牷鍩熻綁(zhu菐n)鎻涘洖鏅�(sh铆)鍩�銆傞�欏彲浠ラ�氶亷浣跨敤閫嗗倕閲岃憠璁婃彌锛圛FFT锛夌畻娉曚締楂樻晥鍦拌▓(j矛)绠楅洟鏁ｉ�嗗倕閲岃憠璁婃彌锛圛DFT锛変締瀹屾垚銆�

    RFFilter鍦ㄥ悇绋�闋�(l菒ng)鍩熼兘鏈夊唬娉涚殑鎳�(y墨ng)鐢�锛屼互涓嬫槸涓�浜涘父瑕嬬殑鎳�(y墨ng)鐢ㄩ牁(l菒ng)鍩燂細
    1 鐒＄窔閫氫俊锛氬湪鐒＄窔閫氫俊绯荤当(t菕ng)涓�锛孯FFilter琚�鐢ㄤ簬淇¤��(h脿o)瑾�(di脿o)鍒惰В瑾�(di脿o)銆佸皠闋诲墠绔�铏曠悊鍜岄�氶亾浼拌▓(j矛)绛夐棞(gu膩n)閸电挵(hu谩n)绡�(ji茅)銆傚畠鍙�浠ユ姂鍒跺共鎿句俊铏�(h脿o)鍜屽櫔鑱�锛屾彁楂橀�氫俊璩�(zh矛)閲忓拰绯荤当(t菕ng)鎬ц兘銆�
    2 闊抽牷铏曠悊锛歊FFilter鍦ㄩ煶闋昏檿鐞嗕腑璧峰埌浜嗛噸瑕佺殑浣滅敤銆傚畠鍙�浠ュ幓闄ら煶闋讳俊铏�(h脿o)涓�鐨勯洔闊冲拰鍥炶��锛屽�炲��(qi谩ng)闊抽牷鐨勬竻鏅板害鍜岄煶璩�(zh矛)銆�
    3 鍦栧儚铏曠悊锛氬湪鍦栧儚铏曠悊闋�(l菒ng)鍩�锛孯FFilter琚�寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍦栧儚澧炲挤(qi谩ng)銆侀倞绶ｆ�㈡��(c猫)銆侀檷鍣�绛夋柟闈�銆傞�氶亷灏�(du矛)鍦栧儚閫�(j矛n)琛岄牷鍩熷垎鏋愬拰闋诲煙?y脿n)V娉�锛屽彲浠ユ彁鍙栧湒鍍忕殑鐗瑰畾闋荤巼淇℃伅锛屾敼鍠勫湒鍍忕殑璩�(zh矛)閲忓拰绱�(x矛)绡�(ji茅)銆�
    4 鐢熺墿閱�(y墨)瀛�(xu茅)淇¤櫉(h脿o)铏曠悊锛歊FFilter鍦ㄧ敓鐗╅啱(y墨)瀛�(xu茅)淇¤櫉(h脿o)铏曠悊涓�涔熸湁閲嶈�佹噳(y墨ng)鐢ㄣ�備緥濡�锛屽湪蹇冮浕鍦栵紙ECG锛変俊铏�(h脿o)涓�锛孯FFilter鍙�浠ュ幓闄ゅ櫔鑱插拰鍩虹窔婕傜��锛屼娇寰楅啱(y墨)鐢熻兘澶犳洿婧�(zh菙n)纰哄湴鍒嗘瀽鍜岃ê鏂锋偅鑰呯殑蹇冭嚐鐙�娉�銆�
    5 闆烽仈(d谩)淇¤櫉(h脿o)铏曠悊锛氶浄閬�(d谩)绯荤当(t菕ng)涓�鐨勪俊铏�(h脿o)閫氬父鍖呭惈澶ч噺鐨勯洔娉㈠拰骞叉摼銆俁FFilter鍙�浠ユ湁鏁堝湴鎶戝埗閫欎簺闆滄尝鍜屽共鎿句俊铏�(h脿o)锛屾彁楂橀浄閬�(d谩)绯荤当(t菕ng)鐨勬�ц兘鍜屾帰娓�(c猫)鑳藉姏銆�
    6 瑕栭牷绶ㄧ⒓鑸囪В纰硷細鍦ㄨ�栭牷绶ㄧ⒓鑸囪В纰奸��(l菒ng)鍩�锛孯FFilter琚�寤ｆ硾鎳�(y墨ng)鐢ㄤ簬瑕栭牷澹撶府鍜屽幓濉婃烤娉㈢瓑鏂归潰銆傚畠鍙�浠ュ幓闄よ�栭牷搴忓垪涓�鐨勫櫔鑱插拰鍋藉��锛屾彁楂樿�栭牷鐨勬竻鏅板害鍜岃�栬�烘晥鏋溿��

    鐩稿皪(du矛)浜庡偝绲�(t菕ng)鐨処IR婵炬尝鍣ㄥ拰FIR婵炬尝鍣�锛孯FFilter鍏锋湁浠ヤ笅鍎�(y艒u)榛�(di菐n)锛�
    瑷�(j矛)绠楁晥鐜囬珮锛歊FFilter鍒╃敤蹇�閫熷倕閲岃憠璁婃彌绠楁硶閫�(j矛n)琛岄牷鍩熷垎鏋愬拰婵炬尝鎿嶄綔锛岃▓(j矛)绠楅�熷害蹇�锛岄仼鐢ㄤ簬瀵�(sh铆)鏅�(sh铆)铏曠悊鍜屽ぇ瑕�(gu墨)妯℃暩(sh霉)鎿�(j霉)铏曠悊銆�
    瀛樺劜(ch菙)闇�姹備綆锛歊FFilter涓嶉渶瑕佸瓨鍎�(ch菙)婵炬尝鍣ㄧ殑娌栨縺闊挎噳(y墨ng)锛屽彧闇�瀛樺劜(ch菙)淇¤櫉(h脿o)鐨勯牷鍩熻〃绀�锛屽洜姝ゅ崰鐢ㄧ殑瀛樺劜(ch菙)绌洪枔杓冨皬銆�
    闋诲煙鎿嶄綔闈堟椿锛歊FFilter鍙�浠ュ湪闋诲煙涓�灏�(du矛)淇¤櫉(h脿o)閫�(j矛n)琛屽悇绋�婵炬尝鎿嶄綔锛屽�傛烤娉�銆侀牷璀滃�戝舰绛夈�傞�欎娇寰桼FFilter鍦ㄤ俊铏�(h脿o)铏曠悊涓�鍏锋湁鏇村ぇ鐨勯潏娲绘�у拰鑷�鐢卞��銆�
    鐒惰�岋紝RFFilter涔熷瓨鍦ㄤ竴浜涢檺鍒跺拰鎸戞埌(zh脿n)锛屽�傞牷鍩熷垎鏋愬付渚嗙殑闋昏瓬娉勯湶鍟忛�屼互鍙婇牷鐜囬伕鎿囨�ц兘鐨勬瑠(qu谩n)琛＄瓑銆傚洜姝わ紝鍦ㄥ叿楂旀噳(y墨ng)鐢ㄤ腑锛岄渶瑕佹牴鎿�(j霉)瀵�(sh铆)闅涢渶姹傚拰鎬ц兘瑕佹眰鍚堢悊閬告搰婵炬尝鍣ㄩ�炲��銆�